Average Interest Rates on U.S. Treasury Securities

The files listed below illustrate the Average Interest Rates for marketable and non-marketable securities over a two-year period for comparative purposes. Select the time period you are interested in to view the rates.

Note: Average Interest Rates are calculated on the total unmatured interest-bearing debt. The average interest rates for total marketable, total non-marketable and total interest-bearing debt do not include the U.S. Treasury Inflation-Protected Securities and Treasury Floating Rate Notes.